| Schematic | Description | Prototype Cost | Production Cost |
|---|---|---|---|
| C1 | 68uF Capacitor | $.49 | $1.15 |
| C2 | 120uF Capacitor | $0.62 | $0.62 |
| Cf1 | 1uF capacitor | $0.14 | $1.15 |
| Cf2 | 1uF capacitor | $0.14 | $1.15 |
| D1 | 1N5817 Schottky diode | $0.27 | $0.19 |
| L1 | 100uH Inductor | $0.18 | $0.09 |
| Ra1 | 47k Ohm .25W Resistor | $0.37 | $0.03 |
| Rb1 | 47k Ohm .25W Resistor | $0.37 | $0.03 |
| Rb2 | 47k Ohm .25W Resistor | $0.37 | $0.03 |
| Rf1 | 4.7 Ohm .25W resistor | $0.37 | $0.03 |
| Rf2 | 4.7 Ohm .25W resistor | $0.37 | $0.03 |
| Rf3 | 4.7 Ohm .25W resistor | $0.37 | $0.03 |
| Rf4 | 4.7 Ohm .25W resistor | $0.37 | $0.03 |
| RL1 | 180 Ohm .5W resistor | $0.37 | $0.03 |
| RL2 | 180 Ohm .5W resistor | $0.37 | $0.03 |
| Rs1 | 068 Ohm 10W resistor | $2.14 | $2.14 |
| Rs2 | 068 Ohm 10W resistor | $2.14 | $2.14 |
| U1 | LM2594M-3.3/NOPB Voltage regulator | $2.70 | $2.70 |
| U2 | TMP102 Temp sensor (I2C) | $5.95 | $1.69 |
| U3 | INA226 Current and voltage sensor | $6.33 | $3.38 |
| U4 | INA226 Current and voltage sensor | $6.33 | $3.38 |
| 3 position jumper block | $.22 | $.13 | |
| 5mm barrel jack, 2.1mm center pole | $4.95 | $1.12 | |
| 8 position screw terminals | $2.45 | $2.45 | |
| Populated Ethernet Booster Pack (MSP430 MCU) | $25.00 | $25.00 | |
| EPS PC board (in qty. 10) | $0.00 | $12.00 | |
| Subtotal | $58.21 | $60.75 | |
| Labor | $1362.50 | $135.52 | |
| TOTAL | $1420.71 | $196.27 |